d19cbc9671b198a242143fe6fff75060d4602cb379052312ecfb2259d85e8067

Analysis

max time kernel
137s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 06:48

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General

Target

aa017b808d4180e17c2782b088a83be0_JaffaCakes118.dll
Size

474KB
MD5

aa017b808d4180e17c2782b088a83be0
SHA1

3ba51872f9c5f3ccf4ffff11c0790cf0826a3a8f
SHA256

d19cbc9671b198a242143fe6fff75060d4602cb379052312ecfb2259d85e8067
SHA512

30d0828f52fc73817b09629d3158e6d3c283b729db39f4b53cc7edeec2a7bfe59ae04c1322cdcf6bfdfccc1db243fa18363b0da7d940dfe18f941cecd47ac965
SSDEEP

12288:y3xjKXhUTCIJZSRL54BhtDR2bCjj87msm1KdFYmw:y3JehISRLWhtXjim169

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{76DC0B63-1533-4ba9-8BE8-D59EB676FA02}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76DC0B63-1533-4ba9-8BE8-D59EB676FA02}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76DC0B63-1533-4ba9-8BE8-D59EB676FA02}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aa017b808d4180e17c2782b088a83be0_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76DC0B63-1533-4ba9-8BE8-D59EB676FA02}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76DC0B63-1533-4ba9-8BE8-D59EB676FA02}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76DC0B63-1533-4ba9-8BE8-D59EB676FA02}\ = "ICQSys (IE PlugIn)"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 2360	4868	regsvr32.exe	86
PID 4868 wrote to memory of 2360	4868	regsvr32.exe	86
PID 4868 wrote to memory of 2360	4868	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\aa017b808d4180e17c2782b088a83be0_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\aa017b808d4180e17c2782b088a83be0_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2360-0-0x0000000010000000-0x000000001017A000-memory.dmp

Filesize
1.5MB

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